Diva Hydrothermal Vent

Diva Hydrothermal Vent

The Diva hydrothermal vent, is a 277°C small, fragile anhydrite (CaSO4) structure in the International District vent field on Axial Volcano. The chimney is of interest because it has the highest carbon dioxide concentrations of any of the chimneys within the Axial caldera. In 2014, it will host an instrument developed by Dr. Bill Seyfried, University of Minnesota,  that will provide real-time streaming data on acidity, hydrogen sulfide, hydrogen and temperature of the vent fluids. VISIONS '13, Leg 4.

Photo credit: NSF-OOI/UW/CSSF

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